[][src]Trait futures_core::future::FusedFuture

pub trait FusedFuture {
    fn is_terminated(&self) -> bool;
}

A Future or TryFuture which tracks whether or not the underlying future should no longer be polled.

is_terminated will return true if a future should no longer be polled. Usually, this state occurs after poll (or try_poll) returned Poll::Ready. However, is_terminated may also return true if a future has become inactive and can no longer make progress and should be ignored or dropped rather than being polled again.

Required methods

fn is_terminated(&self) -> bool

Returns true if the underlying future should no longer be polled.

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Implementations on Foreign Types

impl<F: FusedFuture, '_> FusedFuture for Pin<&'_ mut F>
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impl<F: FusedFuture + ?Sized, '_> FusedFuture for &'_ mut F
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impl<F: FusedFuture + ?Sized> FusedFuture for Box<F>
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impl<F: FusedFuture + ?Sized> FusedFuture for Pin<Box<F>>
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impl<F: FusedFuture> FusedFuture for AssertUnwindSafe<F>
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Implementors

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